Airbags will never deploy when the system detects a fault for that exact reason. If there is something wrong in the system, it is designed to NOT deploy as a precaution for causing unnecessary harm.
'02 ///M5 Imola Red / Imola Red '09 335i Alpine White / Coral Red
'04 E55 AMG Brilliant Silver / Anthracite
'96 318i Alpine White / Black
'01 330Ci Titanium Silver / Coral Red
'96 328i Jet Black / Black